Many PC gamers are unaware that their systems may be underperforming due to incorrect RAM settings. Despite investing in high-speed RAM, users often find their memory running at lower speeds, such as 2133MHz instead of the advertised 3200MHz or higher. This performance bottleneck can lead to sluggishness in CPU-bound games and applications. The solution lies in enabling XMP (Intel) or EXPO (AMD) profiles in the BIOS, which can unlock the full potential of the RAM. These profiles are pre-tested settings that allow RAM to operate at its intended speeds. Unfortunately, motherboard manufacturers often leave these profiles disabled by default to avoid potential boot issues. To check if your RAM is underperforming, users can easily verify speeds through Windows Task Manager. Enabling the correct profile in the BIOS is a straightforward process, typically requiring just a few key presses. The benefits of this adjustment are substantial, leading to smoother gameplay with improved minimum frame rates and enhanced overall system responsiveness. By simply toggling this setting, users can ensure they are not leaving performance on the table.